Portion of footwear upper



FIG. 1 is a front perspective view of a shoe showing my footwear design;

FIG. 2 is a left side view of the footwear shown in FIG. 1;

FIG. 3 is a right side view of the footwear shown in FIG. 1;

FIG. 4 is a front view of the footwear shown in FIG. 1;

FIG. 5 is a rear view of the footwear shown in FIG. 1; and,

FIG. 6 is a top view of the footwear shown in FIG. 1.

The shadows and reflections displayed in the photographs form no part of the claimed design. 

The ornamental design for a portion of footwear upper, as shown and described. 